Can this amount to Mental Harassment ground for divorce ? Please guide

Sir, I am married since 13 years. Since beginning, my wife has been highly dominating, full of negativity and by passing of time, she has now become full abusive towards me in arguments. She talks highly derogatory and abusive language for my parents and siblings (not in front of them, but me) . Language is so extreme that it keeps me depressed and full of tension for many days. I find myself unable to perform well in my private job. It has been happening since many many years and her aggression has only increased. This has started taking toll on my health as I have started getting high BP problem and certainly I am in depression. I have lost all zeal of life. Despite warning her many times that I would get separated or file for divorce, she has only gone worst. some facts : - I have two kids. 12 yrs old daughter and 2 yrs old son. - my parents never lived with us. They live with my brother at hometown. Only twice during this duration, they came to live with us for few days. - I have few recent call recordings of her being abusive towards me and my parents , talking ill of them. - I have talked to her parents many times and they always made me sure that she wont behave that in future. She doesn't listen to her parents too. Please suggest what should be legal course of action from my side. I am fed up of this meaningless married life. Thoughts about kids were preventing me to take any step so far. But her regular vulger insults are pushing me to the corner. Please advice. Regards.